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Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC [BA-FCFR-1]

BA-FCFR-1
$53.00 USD
1 in stock IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
Baader: Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC
Red 610nm longpass filter with steep absorption edge. Filters the H-alpha line from the visible spectrum. Blue and Green lights is almost completely filtered blocked increasing contrast between the light and dark bands on Jupiter and Saturn. Most interesting filter to use for observing the polar caps of Mars. An optimum filter for daily observation of all the planets. Multi-coated for max contrast – no reflections, scatter or dimming. Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.  

About Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC [BA-FCFR-1]

Baader: Eyepiece Filter Red 1.25", 610nm Longpass, Optically Polished w/MC

  • Red 610nm longpass filter with steep absorption edge.
  • Filters the H-alpha line from the visible spectrum.
  • Blue and Green lights is almost completely filtered blocked increasing contrast between the light and dark bands on Jupiter and Saturn.
  • Most interesting filter to use for observing the polar caps of Mars.
  • An optimum filter for daily observation of all the planets.
  • Multi-coated for max contrast – no reflections, scatter or dimming.
  • Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.
 
  • MANUFACTURER    Baader Planetarium
  • SKU (#)    2458307
  • WEIGHT (KG)    0.059
  • COLOUR    Red
  • TRANSMISSION RANGE    > 610 nm
  • FILTER THICKNESS (WITHOUT CELL)    2 mm
  • AR-COATING    Phantom Coating® Group, planeoptically polished
  • FILTER SIZE    1¼"
  • VISUAL OR IMAGING?    visual, imaging
  • FILTER USAGE    Color, Planetary
  • FILTER MOUNTED    Mounted (LPFC 6mm)
  • TYPE OF FILTER    Longpass
  • SINGLE OR SET?    Single Filter
  • FILTER SHAPE    round


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